/// <summary>
/// Handles changes to the DataValues property.
/// </summary>
private static void OnDataValuesChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Graph obj = (Graph)d;
if (e.NewValue != null && e.OldValue != null)
{
//if we see a different actual ThreadSafeObservableCollection<GraphDataItem>
//we should unhook the old event handler
if (!Object.ReferenceEquals(e.OldValue, e.NewValue))
{
GraphDataCollection oldDataValues = (GraphDataCollection)e.OldValue;
oldDataValues.CollectionChanged -= obj.DataValues_CollectionChanged;
GraphDataCollection newDataValues = (GraphDataCollection)e.OldValue;
newDataValues.CollectionChanged += obj.DataValues_CollectionChanged;
}
else
{
GraphDataCollection newDataValues = (GraphDataCollection)e.NewValue;
newDataValues.CollectionChanged += obj.DataValues_CollectionChanged;
}
}
else
{
GraphDataCollection newDataValues = (GraphDataCollection)e.NewValue;
newDataValues.CollectionChanged += obj.DataValues_CollectionChanged;
}
}
private void UpdateTimer_Tick(object sender, EventArgs e)
{
lock (chartLock)
{
if (motionLevel > motionTriggerThreshold)
{
if (!playOnce && enableBeepOnTrigger)
{
playOnce = true;
PlayBeep();
}
if (!captureImageOnce && cbEnableSaveImg.IsChecked == true)
{
captureImageOnce = true;
CaptureAsImage();
}
}
// update data into collection
DateTime currentTime = DateTime.Now;
double elapsedTime = (currentTime - startTime).TotalSeconds;
motionLevelData = new MotionLevelData(elapsedTime, motionLevel, motionTriggerThreshold, startTime, currentTime, detectedObjectsCount);
GraphDataCollection.Add(motionLevelData);
if (GraphDataCollection.Count > 10000)
{
GraphDataCollection.RemoveAt(0);
}
// update sensitivity bar
UpdateSensivityBarUI();
// update graph
OxyGraph.InvalidatePlot(true);
// autoscroll graph x-axis
if ((elapsedTime + 0.001) >= xAxis.Maximum)
{
double panStep = (xAxis.ActualMaximum - xAxis.DataMaximum) * xAxis.Scale;
xAxis.Pan(panStep);
}
// write to log file
if (!customIntervalEnabled)
{
LogData(motionLevelData);
}
}
}
private void UpdateGraph()
{
if (IsShowGraph == false)
{
return;
}
List <GraphModel> tempCollection = new List <GraphModel>();
GraphDataCollection.Clear();
// Initialize collection
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Monday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Tuesday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Wednesday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Thursday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Friday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Saturday))));
tempCollection.Add(new GraphModel(DateHelper.ToStringDate(DateHelper.GetDayOfWeek(_selectedDate, DayOfWeek.Sunday))));
for (int i = 0; i < tempCollection.Count; i++)
{
var itemList = ItemCollection.Where(x => x.Date.Equals(tempCollection[i].Date));
if (itemList.Count() == 0)
{
continue;
}
foreach (var model in itemList)
{
if (model.Type == ItemType.Income)
{
continue;
}
tempCollection[i].AddItem(model.Type, model.Amount);
}
}
// Save to GraphItemCollection
GraphItemCollection.Clear();
var sortedCollection = tempCollection.OrderBy(x => x.Date);
for (int i = 0; i < sortedCollection.Count(); i++)
{
GraphItemCollection.Add(sortedCollection.ElementAt(i));
}
}